[Representative songs of CHEMISTRY] Introducing CHEMISTRY’s famous hits all at once!
CHEMISTRY has captivated the hearts of many with their sweet, bittersweet vocals.
From their debut to the present, their songs remain timeless, beautifully portraying a range of human emotions from romance to friendship.
In this article, we’ll introduce some of CHEMISTRY’s signature tracks that continue to be loved from various perspectives, such as the beauty of their harmonies and the depth of their lyrics.
You’re sure to find a song that resonates with your heart!
- CHEMISTRY Popular Song Rankings [2026]
- Love Song and Popular Song Rankings by CHEMISTRY [2026]
- CHEMISTRY Karaoke Popular Song Rankings [2026]
- Ballad Songs and Popular Track Ranking of CHEMISTRY [2026]
- Top Heartbreak Songs by CHEMISTRY: Popular Ranking [2026]
- CHEMISTRY’s Most Moving Songs and Popular Tracks Ranking [2026]
- CHEMISTRY’s Cheer Songs and Popular Song Rankings [2026]
- Crystal Kay's classic and popular songs
- Popular Song Ranking of CHEMISTRY meets S.O.S. [2026]
- Kazumasa Oda’s Cheer Songs and Popular Hits Ranking [2026]
- Exquisite harmonies that resonate with the heart! A curated collection of popular and select masterpieces by Little Glee Monster (Litoguri)
- Hit and Popular Songs by Kis-My-Ft2
- [Japanese R&B] Notable Classics & New Tracks, Representative Songs of Japanese R&B
[Representative Songs of CHEMISTRY] A Comprehensive Introduction to Chemistry’s Masterpieces! (21–30)
UsCHEMISTRY
A track from a single released in August 2003 that symbolizes their self-produced era, when they began pursuing their own musical identity.
This song, which reached No.
1 on the Oricon charts, was also featured in a Sokenbicha commercial and became familiar to household audiences.
Its upbeat, urban sound woven by live instruments and the optimistic lyrics depicting the duo’s way of being deliver a refreshing sense of liberation that blows away stagnation.
It’s the perfect number for the start of a new season or a weekend drive with someone special.
eternal smileCHEMISTRY
This is a heartfelt song created in response to the request, “If it’s a winter ballad, it has to be CHEMISTRY.” The work tells a story set about ten years after the beloved fan favorite “My Gift to You.” Their harmonies—often likened to the finest cashmere—wrap listeners gently in a deeper, warmer embrace than ever.
Released in November 2011 as their 34th single and included on the album Trinity, it also colored winter streets as Sanrio’s Christmas theme song.
It’s a piece that will make you want to imagine a happy future that continues on, nestled close to someone you love.
[CHEMISTRY’s Signature Songs] A Comprehensive Introduction to Chemistry’s Greatest Hits! (31–40)
merry-go-roundCHEMISTRY
Released in March 2011, this is CHEMISTRY’s 30th single, which served as the ending theme for the anime Mobile Suit Gundam Unicorn.
It is also included on their best-of album CHEMISTRY 2001–2011, commemorating the 10th anniversary of their debut.
The song drew attention for its lyrics, which the members themselves wrote, deeply inspired by the anime’s worldview.
Many listeners may find themselves compelled to relate to the poignant words that liken lost memories and the wish for renewal to a perpetually turning playground ride.
When you want to look back on the past yet still step forward into the future, its moving melody is sure to gently give you a push.
IfCHEMISTRY
This is a song that gently embraces those bittersweet feelings of regret, when you find yourself thinking, “What if, back then…?” about a love that has passed.
Set against a mellow sound reminiscent of 90s R&B, it portrays the protagonist’s piercing emotions as they look back on days that can never return.
Released as a single in February 2019, it peaked at No.
10 on the Oricon charts and was later included on the album CHEMISTRY.
It’s a track that will sink deep into your heart when you want to reminisce about someone special and spend a sentimental night.
Heart’s DoorCHEMISTRY
This is a poignant winter ballad about thinking of the one who left while watching happy couples on a winter street corner.
It portrays a protagonist left alone with their heart left wide open, regretting the past.
The song is included on the concept album “Hot Chemistry,” released in January 2005, which reached No.
1 on the Oricon charts.
It was also chosen as the Japanese image song for the film “The Notebook,” further deepening the story’s emotional impact.
If you listen to it on a night when you’re nursing the pain of a broken heart and lost in thought, its voice will surely warm your heart.
MOVE ONCHEMISTRY
Released in 2001, this song is a moving piece themed around growth and self-rediscovery.
It looks back at one’s past self and sings about the courage to take a new step forward.
The lyric that asks, “What if I were an adult?” is especially striking and has resonated with many listeners.
It was also used as the theme song for Daihatsu’s MOVE Custom commercial, making it popular across a wide range of generations.
CHEMISTRY’s sweet vocals paired with an R&B flavor make for a perfect match, and it’s known as a crowd-pleasing staple at live shows.
When you find yourself at a crossroads or feel like you’re losing your way, give it a listen—you’re sure to find the courage to move forward.
Two As OneCHEMISTRY
The collaboration song by CHEMISTRY and Crystal Kay is a heartwarming love song that portrays the moment when two loves become one.
Used as the theme for Toyota’s “WISH” commercial, it resonated with many people.
Included on the album “ALL THE BEST,” the track was released in 2001 and is characterized by its beautiful melody and moving lyrics.
Imbued with a strong desire to run forward anywhere together with a loved one, this piece is recommended for times when you want to reaffirm your bond with someone special or when you feel the beginning of a new romance.
The harmony woven by CHEMISTRY and Crystal Kay’s vocals is sure to make your heart flutter.